Table 2.
Univariate and multivariable analysis for SLR to IFX in the training datasets
| Characteristics | Univariate analysis | Multivariable analysis | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p | OR | 95% CI | p | |
| Gender | 0.621 | 0.276–1.400 | 0.25 | |||
| Disease duration ≥ 2 years | 3.254 | 1.608–6.762 | 0.001 | 3.244 | 1.425–7.383 | 0.01 |
| BMI, kg/m2 | ||||||
| < 18.5 | 1.000 | |||||
| 18.5–24.9 | 0.762 | 0.366–1.589 | 0.47 | |||
| ≥ 24.9 | 1.111 | 0.286–4.179 | 0.88 | |||
| Age of onset (A, year) | ||||||
| A1 | 1.000 | 1.000 | ||||
| A2 | 2.222 | 0.634–10.366 | 0.25 | 3.508 | 0.671–18.333 | 0.14 |
| A3 | 2.821 | 0.664–15.008 | 0.18 | 7.121 | 1.035–49.007 | 0.046 |
| Disease location, L | ||||||
| L1 | 1.000 | 1.000 | ||||
| L2 | 18.308 | 2.873–360.211 | 0.01 | 35.751 | 3.337–382.986 | 0.003 |
| L3 | 1.853 | 0.866–1.290 | 0.12 | 2.671 | 0.996–7.165 | 0.051 |
| Upper GI involvement | 0.316 | 0.047–1.290 | 0.15 | |||
| Perianal disease, P | 1.098 | 0.540–2.263 | 0.80 | |||
| Disease behavior, B | ||||||
| B1 | 1.000 | 1.000 | ||||
| B2 | 1.390 | 0.626–3.075 | 0.42 | 1.494 | 0.571–3.910 | 0.41 |
| B3 | 2.601 | 1.029–6.751 | 0.04 | 3.404 | 1.123–10.311 | 0.03 |
| Surgery | 0.660 | 0.329–1.317 | 0.24 | |||
| Alb, g/L | 0.970 | 0.920–1.021 | 0.25 | |||
| WBC, 10^9/L | ||||||
| < 3.97 | 1.000 | 1.000 | ||||
| 3.97–9.15 | 3.015 | 0.465–58.836 | 0.32 | 2.182 | 0.224–21.231 | 0.50 |
| > 9.15 | 6.000 | 0.793–125.285 | 0.13 | 7.030 | 0.603–81.971 | 0.12 |
| Hb, g/L | 0.989 | 0.972–1.006 | 0.20 | |||
| PLT, × 10^9/L | 1.002 | 0.998–1.006 | 0.23 | |||
| CRP, mg/L | ||||||
| ≤ 8 | 1.000 | 1.000 | ||||
| > 8 | 1.829 | 0.856–3.924 | 0.12 | 2.095 | 0.821–5.341 | 0.12 |
| ESRa mm/L | ||||||
| ≤ 20 or ≤ 15 | 1.000 | |||||
| > 20 or > 15 | 1.758 | 0.882–3.536 | 0.11 | |||
GI gastrointestinal, Alb albumin, WBC white blood cell, Hb hemoglobin, PLT platelet count, CRP C-reactive protein, ESR erythrocyte sedimentation rate
aThe threshold value for ESR level is 20 mm/L in female and 15 mm/L in male